As of June 02, 2026, Odyssey Marine Exploration's top three insider holders are Gallardo Juan Antonio Carlos Cortina (TenPercentOwner, 3.93Mn shares), Mark B Justh (Director, 859.21K shares), Mark Gordon (Chief Executive Officer, 632.24K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Jay Nudi | Pao/Treasurer | 97,826 | 0 | 02 May, 2022 |
| Mark Gordon | Chief Executive Officer | 632,235 | 0 | 23 Mar, 2026 |
| Laura Lionetti Barton | Chief Business Officer | 77,755 | 0 | 17 Mar, 2022 |
| Jon D Sawyer | - | 79,580 | 0 | 08 Dec, 2025 |
| Mark B Justh | - | 859,207 | 0 | 03 Jul, 2025 |
| John D Jr Longley | President Coo | 150,313 | 0 | 15 Oct, 2025 |
| Christopher Emlyn Jones | Chief Financial Officer | 1,997 | 0 | 17 Mar, 2022 |
| Larissa Tiffany Pommeraud | - | 72,624 | 0 | 21 Apr, 2026 |
| Gallardo Juan Antonio Carlos Cortina | - | 0 | 3,931,466 | 13 Aug, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 20 Apr, 2026 | Larissa Tiffany Pommeraud | Common Stock | A | 23,981 | $0.00 | 72,624 | D | A |
| 20 Apr, 2026 | Larissa Tiffany Pommeraud | Common Stock | A | 23,981 | $0.00 | 72,624 | D | A |
| 23 Mar, 2026 | Mark Gordon | Common Stock | A | 150,000 | $0.41 | 632,235 | D | M |
| 23 Mar, 2026 | Mark Gordon | Stock Option(Right to Buy) | D | 150,000 | $0.00 | 0 | D | M |
| 08 Mar, 2026 | Larissa Tiffany Pommeraud | Common Stock | A | 6,803 | $0.00 | 48,643 | D | A |
| 08 Mar, 2026 | Larissa Tiffany Pommeraud | Common Stock | A | 6,803 | $0.00 | 48,643 | D | A |
| 08 Mar, 2026 | Larissa Tiffany Pommeraud | Common Stock | A | 6,803 | $0.00 | 48,643 | D | A |
| 06 Feb, 2026 | Larissa Tiffany Pommeraud | Common Stock | A | 5,291 | $0.00 | 41,840 | D | A |
| 06 Feb, 2026 | Larissa Tiffany Pommeraud | Common Stock | A | 5,291 | $0.00 | 41,840 | D | A |
| 06 Feb, 2026 | Larissa Tiffany Pommeraud | Common Stock | A | 5,291 | $0.00 | 41,840 | D | A |
| 06 Jan, 2026 | Larissa Tiffany Pommeraud | Common Stock | A | 10,204 | $0.00 | 36,549 | D | A |
| 06 Jan, 2026 | Larissa Tiffany Pommeraud | Common Stock | A | 10,204 | $0.00 | 36,549 | D | A |
| 06 Jan, 2026 | Larissa Tiffany Pommeraud | Common Stock | A | 10,204 | $0.00 | 36,549 | D | A |
| 05 Dec, 2025 | Larissa Tiffany Pommeraud | Common Stock | A | 4,854 | $0.00 | 26,345 | D | A |
| 05 Dec, 2025 | Larissa Tiffany Pommeraud | Common Stock | A | 4,854 | $0.00 | 26,345 | D | A |
| 05 Dec, 2025 | Jon D Sawyer | Common Stock | A | 4,854 | $0.00 | 79,580 | D | A |
| 05 Dec, 2025 | Larissa Tiffany Pommeraud | Common Stock | A | 4,854 | $0.00 | 26,345 | D | A |
| 05 Dec, 2025 | Jon D Sawyer | Common Stock | A | 4,854 | $0.00 | 79,580 | D | A |
| 05 Dec, 2025 | Jon D Sawyer | Common Stock | A | 4,854 | $0.00 | 79,580 | D | A |
| 02 Dec, 2025 | Jon D Sawyer | Restricted Stock Unit (RSU) | A | 20,000 | $0.00 | 20,000 | D | A |